Coke coming into the country at the moment is being cut with another drug called Levamisole, a drug designed to kill parasitic infections.

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Those treated with Levamisole will see their white blood count drop dramatically, leaving their immune system compromised and them more open to infections. It's also used as a cattle wormer, and is apparently available for hella cheap in South America, where all that coke begins its merry journey to the UK.

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The BioMedical Journal reports that one woman suffered severe vasculitis as a result of taking the contaminated cocaine, as well as "ulcerating skin lesions, arthralgia and myalgia, and the occurrence of an ileal intussusception" - which in English means joint pain, muscle pain and abdominal pain because the intestine's moved around. Grim.

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She recovered after staying off the coke, but as soon as she had another sniff she immediately relapsed, severely, with added kidney damage.